WO2013171843A1 - 界磁巻線式回転電機および界磁巻線式回転電機の界磁電流制御方法 - Google Patents

界磁巻線式回転電機および界磁巻線式回転電機の界磁電流制御方法 Download PDF

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Publication number
WO2013171843A1
WO2013171843A1 PCT/JP2012/062401 JP2012062401W WO2013171843A1 WO 2013171843 A1 WO2013171843 A1 WO 2013171843A1 JP 2012062401 W JP2012062401 W JP 2012062401W WO 2013171843 A1 WO2013171843 A1 WO 2013171843A1
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WO
WIPO (PCT)
Prior art keywords
field current
field
rotating electrical
electrical machine
time
Prior art date
Application number
PCT/JP2012/062401
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English (en)
French (fr)
Japanese (ja)
Inventor
健一 秋田
森　真人
充規 田畑
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to US14/386,077 priority Critical patent/US9294025B2/en
Priority to JP2014515387A priority patent/JPWO2013171843A1/ja
Priority to CN201280073161.2A priority patent/CN104285371B/zh
Priority to PCT/JP2012/062401 priority patent/WO2013171843A1/ja
Priority to EP12876947.8A priority patent/EP2852046B1/en
Publication of WO2013171843A1 publication Critical patent/WO2013171843A1/ja

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/282—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling field supply only
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
    • H02P9/26—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices
    • H02P9/30—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/15—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with additional electric power supply
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/48—Arrangements for obtaining a constant output value at varying speed of the generator, e.g. on vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/04—Starting of engines by means of electric motors the motors being associated with current generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
    • F02N11/0818—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0862—Circuits or control means specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Definitions

  • the present invention relates to a field winding type rotary electric machine having an armature winding and a field winding mainly mounted on a vehicle and a field current control method for a field winding type rotary electric machine. is there.
  • the internal combustion engine is stopped when the vehicle is stopped by a signal, etc., and when a driver's intention to start such as accelerator on or brake off is detected, the rotary generator motor There is a technique called idle stop for restarting the internal combustion engine.
  • Rotational generator motors mounted on such vehicles are mounted in a form capable of transmitting and receiving torque to the engine, so that the rotational speed changes greatly due to the driver's accelerator operation and the influence of engine friction. Therefore, as a form that can control the induced voltage of the rotary generator motor regardless of the rotational speed of the engine, a field winding type that can be controlled by a field current is adopted instead of a permanent magnet built in the rotor. I came.
  • a method of controlling a generator mounted on a vehicle there is a method of controlling a voltage of a power source such as a battery electrically connected to the generator to a predetermined voltage value.
  • a load torque corresponding to the power generation amount is generated in the coupled engine. Therefore, when the amount of power generated by the generator varies depending on the state of the vehicle, the load torque on the engine also varies accordingly.
  • the prior art has the following problems.
  • an error occurs between the detected value and the actual current due to individual variations in the detection circuit, aging, temperature characteristics, and the like.
  • the operating temperature of the vehicular rotating electrical machine becomes extremely high. Therefore, the operating temperature is very wide, and the variation in characteristics due to temperature conditions becomes large.
  • the present invention has been made in order to solve the above-described problems, and in a field winding type rotating electrical machine having a field winding, the influence of a field current detection error is suppressed with high accuracy. It is an object of the present invention to obtain a field winding type rotating electrical machine capable of realizing field current control and a field current control method for a field winding type rotating electrical machine.
  • a field winding type rotating electrical machine is a field winding type rotating electrical machine having an armature winding and a field winding, and detects a field current flowing in the field winding.
  • Field current control for performing current control of the field winding using a switching element by calculating DUTY to be applied to the field winding based on the current detection value detected by the current detection unit and the field current detection unit And a field current detection value detected by the field current detection unit at the estimated time is specified as a field current correction value.
  • a field current control unit that calculates a corrected field current value by subtracting the specified field current correction value from the field current detection value detected by the field current detection unit. Is controlled based on the corrected field current value calculated by the field current correction unit. And it performs.
  • a field current control method for a field winding type rotary electric machine is a field current control method for a field winding type rotary electric machine having an armature winding and a field winding, A field current detection step for detecting a field current flowing in the field winding by a field current detector, and a DUTY for energizing the field winding based on the field current detection value detected by the field current detection step is calculated. Then, a field current control step for performing energization control of the field winding using the switching element, and a time when the field current becomes 0 A are estimated based on the control state of the field current, and the field current is estimated at the estimated time.
  • the field current detection value detected in the current detection step is specified as the field current correction value, and the corrected field current correction value is subtracted from the field current detection value detected in the field current detection step.
  • Field current for calculating field current value And a positive step, the field current control step is for performing energization control on the basis of the field current value after correction calculated by the field current correcting step.
  • the time when the field current becomes 0 A is estimated based on the control state of the field current
  • the field current detected value detected at the estimated time is used as the field current correction value, and the field current detection error is corrected to correct the field current in the field winding type rotating electrical machine having the field winding. It is possible to obtain a field winding type rotating electrical machine and a field current control method for the field winding type rotating electrical machine capable of realizing highly accurate field current control in which the influence of the detection error is suppressed.
  • FIG. 1 is a schematic overall configuration diagram when a field winding type rotary electric machine according to Embodiment 1 of the present invention is mounted on a vehicle. It is a block diagram of the field winding type rotary electric machine of Embodiment 1 of this invention. It is a block diagram of the field current correction
  • FIG. FIG. 1 is a schematic overall configuration diagram when a field winding type rotating electrical machine according to Embodiment 1 of the present invention is mounted on a vehicle.
  • the driving source includes an engine 10 and a rotating electrical machine 40 (corresponding to a field winding type synchronous generator motor, which will be referred to as a rotating electrical machine 40 in the following description).
  • the engine 10 and the rotating electrical machine 40 are arranged in a state where torque can be exchanged between the engine 10 and the rotating electrical machine 40 via direct coupling or coupling means 20 such as a belt or a pulley.
  • the rotating electrical machine 40 is electrically connected to the storage battery 30.
  • This storage battery 30 may be a storage battery shared with other vehicle loads or dedicated to the rotating electrical machine 40.
  • FIG. 2 is a configuration diagram of the field winding rotary electric machine according to the first embodiment of the present invention.
  • the rotating electrical machine 40 includes a motor / generator unit 50, a power conversion unit 60, and a control unit 70.
  • the motor / generator unit 50 is composed of an armature winding 51, a field winding 52, and a current detector 53 that are three-phase Y-type or ⁇ -type connected.
  • the armature winding 51 may be connected other than three phases.
  • the power conversion unit 60 is a so-called three-phase inverter, and includes six power conversion switching elements 63a to 63c and 64a to 64c connected to each phase of the armature winding 51 of the motor / generator unit 50, a motor / generator. It comprises a field winding current control switching element 61 connected to the field winding 52 of the unit 50 and a flywheel diode 62.
  • the control unit 70 includes a gate drive unit 80, an armature control unit 90, a field current control unit 100, a field current detection unit 110, and a field current correction unit 120.
  • the gate driving unit 80 drives each switching element of the power conversion unit 60.
  • the armature control unit 90 controls the on / off timing of the power conversion switching elements 63a to 63c and 64a to 64c of the power conversion unit 60 connected to the armature winding 51 of the motor / generator unit 50.
  • the field current control unit 100 determines the on / off timing of the field winding current control switching element 61 for controlling the field current flowing through the field winding 52 of the motor / generator unit 50.
  • the gate drive unit 80 is used for power conversion based on the ON / OFF command to the armature winding 51 and the field winding 52 sent from the armature control unit 90 and the field current control unit 100.
  • the switching elements 63a to 63c, 64a to 64c and the field winding current control switching element 61 are driven to control the driving of the motor / generator unit 50 and power generation.
  • the field current detection unit 110 detects the current flowing through the field winding 52 by the current detector 53. Further, the field current correction unit 120 performs a correction calculation of the field current detection value Iraw detected by the field current detection unit 110.
  • control unit 70 is connected to the control unit 130 outside the rotating electrical machine 40 and receives an operation command such as a power generation command or a drive command from the control unit 130. For example, when the command from the control unit 130 is a power generation command, the control unit 70 shifts to a power generation mode in which a power generation operation is performed. On the other hand, in the case of a drive command, the control unit 70 shifts to a drive mode in which a drive operation is performed.
  • control unit 70 makes a transition to a stop mode in which neither armature control nor field current control is performed. Furthermore, the control unit 70 also makes a transition to the stop mode of the rotating electrical machine 40 even when a stop command is transmitted from the control unit 130.
  • FIG. 3 is a configuration diagram of the field current correction unit 120 according to Embodiment 1 of the present invention.
  • the field current correction unit 120 includes a field current correction value calculation unit 121, a correction value update permission determination time storage unit 122, a field current correction value storage unit 123, and a field current calculation unit 124. It has.
  • the field current correction value calculation unit 121 specifies the field current detection value Iraw when the current flowing through the field winding 52 is 0 A as the field current correction value Ioff, and includes a time measurement unit 121a. .
  • the correction value update permission determination time storage unit 122 is a storage unit in which a correction value update permission determination count value Cth is stored in advance.
  • the field current correction value storage unit 123 is a storage unit for storing the field current correction value Ioff calculated by the field current correction value calculation unit 121.
  • the field current calculation unit 124 calculates a field current value If obtained by correcting the field current detection value Iraw based on the field current correction value Ioff.
  • FIG. 4 is a diagram showing temporal changes of the time measurement counter, the field duty, and the field current in the field current correction unit 120 according to Embodiment 1 of the present invention. This will be described below with reference to FIG. 4 as necessary.
  • the field current correction value calculation unit 121 is a PWM signal duty Df (command to turn on / off the field winding current control switching element 61 in order for the field current control unit 100 to control the field current.
  • Df PWM signal duty
  • the time measuring means 121a in the field current correction value calculation unit 121 clears the time measurement count value C to zero.
  • the time measuring unit 121a counts up the time measurement count value C.
  • the time measurement counter C is sequentially counted up as shown in FIG.
  • the field current correction value calculation unit 121 sets the time measurement count value C to the correction value update permission determination count value Cth read from the correction value update permission determination time storage unit 122. It is determined whether or not it has been reached. Then, the field current correction value calculation unit 121 determines (estimates) that the current flowing through the field winding 52 is 0 A when the time measurement count value C has reached the correction value update permission determination count value Cth. )
  • a count value that is sufficiently longer than the time constant of the field winding 52 is set as the correction value update permission determination count value Cth.
  • the correction value update permission determination count value Cth is set as the correction value update permission determination count value Cth.
  • the correction value update permission determination count value Cth has a time constant of the field winding 52 so as to ensure that the current flowing through the field winding converges to 0 A. It is necessary to set a large value.
  • the field current correction value calculation unit 121 reads the field current detection value Iraw from the field current detection unit 110.
  • the current (actual current) flowing through the field winding 52 is surely 0 A. It can be said that the field current detection value Iraw is a detection value when the current is 0A.
  • the field current correction value calculation unit 121 assumes that the field current detection value Iraw at this time is a detection value when the current is 0 A, and stores it in the field current correction value storage unit 123 as the field current correction value Ioff.
  • the field current calculation unit 124 subtracts the field current correction value Ioff stored in the field current correction value storage unit 123 from the field current detection value Iraw, thereby correcting the error. If is calculated. Further, the field current calculation unit 124 transmits the calculated field current value If to the field current control unit 100. As a result, the field current control unit 100 can perform energization control to the field winding 52 based on the corrected field current value If.
  • the state in which the duty of the PWM signal that commands on / off to the field winding current control switching element for controlling the field current is 0% is the field.
  • the field current detection value is calculated as a correction value when the time constant continues for a time sufficiently longer than the time constant of the magnetic winding, that is, when the field current is reliably 0A. Therefore, field current control can be performed using the field current detection value corrected by this correction value, and high accuracy is obtained by correcting detection errors caused by individual variations, aging, and temperature characteristics of the current detection circuit. Field current control can be realized.
  • Embodiment 2 the duty of the PWM signal energized to the field winding is monitored to determine that no current is flowing through the field winding (that is, the field current is 0 A). The case of estimating the time to become) has been described.
  • the second embodiment a method for determining that the field current is not flowing according to the operation mode of the rotating electrical machine will be described.
  • FIG. 5 is a configuration diagram of the field current correction unit 120 according to Embodiment 2 of the present invention.
  • the configuration of field current correction unit 120 in FIG. 5 of the second embodiment is basically the same as the configuration of field current correction unit 120 in FIG. 3 of the first embodiment.
  • the control unit 70 instead of the field current correction value calculating unit 121 reading the field duty Df from the field current control unit 100, the control unit 70 is based on an operation command from the control unit 130.
  • a mode signal Smode is read for determining which mode of the operation mode such as the power generation mode to be determined or the stop mode.
  • the rotating electrical machine 40 mounted on the vehicle receives a power generation command at all times and charges the storage battery during operation of the engine in order to supplement the power consumption of the vehicle.
  • the rotating electrical machine 40 is generating power, negative torque is generated for the engine.
  • a vehicle power management method for example, when the vehicle decelerates, that is, when a negative torque is required for the engine, power generation that exceeds the vehicle power consumption is actively performed to accelerate the engine. In situations where it is desired to reduce the load on the engine, such as when the engine is in operation, control that does not generate power is also considered.
  • the control unit 70 transitions to the stop mode.
  • the control unit 70 does not perform any of the armature control and the field current control, so excluding the current fall delay time due to the field winding characteristics immediately after the stop mode transition.
  • the field current is in a state of 0A.
  • the field winding may be energized immediately after the stop mode transition in the operation mode immediately before that. Therefore, when the stop mode in which the field winding is not energized continues for a time sufficiently longer than the time constant of the field winding, it can be determined that the current flowing in the field winding is 0A.
  • the time duration of the state in which the mode signal Smode indicates the stop mode is measured by the time measurement unit 121a, and the measurement time is stored in advance in the correction value update permission determination time storage unit 122.
  • the field current correction value Ioff is calculated and written to the field current correction value storage unit 123.
  • the mode in which the rotating electrical machine does not perform any operation of energizing the field winding such as the power generation operation or the driving operation is sufficiently longer than the time constant of the field winding.
  • the field current correction value is calculated when the current of the field winding is determined to be 0A.
  • the present invention is not limited to such a case.
  • the ambient temperature of the field current detection unit 110 may be detected, and a condition for whether to calculate a correction value based on the ambient temperature may be added.
  • the error of the field current detection unit 110 may be due to individual variation, aging, or temperature characteristics. In this, it is unlikely that errors due to individual variations and aging will change in a short time. For example, if the correction value is calculated only once after turning on the rotating electrical machine, there is no problem even if the subsequent correction is unnecessary. .
  • the correction value is calculated. If it is configured not to perform it, unnecessary operations can be omitted.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Eletrric Generators (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
PCT/JP2012/062401 2012-05-15 2012-05-15 界磁巻線式回転電機および界磁巻線式回転電機の界磁電流制御方法 WO2013171843A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US14/386,077 US9294025B2 (en) 2012-05-15 2012-05-15 Field winding rotating electrical machine and method for controlling field current of a field winding rotating electrical machine
JP2014515387A JPWO2013171843A1 (ja) 2012-05-15 2012-05-15 界磁巻線式回転電機および界磁巻線式回転電機の界磁電流制御方法
CN201280073161.2A CN104285371B (zh) 2012-05-15 2012-05-15 励磁绕组式旋转电机及励磁绕组式旋转电机的励磁电流控制方法
PCT/JP2012/062401 WO2013171843A1 (ja) 2012-05-15 2012-05-15 界磁巻線式回転電機および界磁巻線式回転電機の界磁電流制御方法
EP12876947.8A EP2852046B1 (en) 2012-05-15 2012-05-15 Field winding rotating electrical machine and method for controlling field current of a field winding rotating electrical machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/062401 WO2013171843A1 (ja) 2012-05-15 2012-05-15 界磁巻線式回転電機および界磁巻線式回転電機の界磁電流制御方法

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WO2013171843A1 true WO2013171843A1 (ja) 2013-11-21

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US (1) US9294025B2 (zh)
EP (1) EP2852046B1 (zh)
JP (1) JPWO2013171843A1 (zh)
CN (1) CN104285371B (zh)
WO (1) WO2013171843A1 (zh)

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DE102013007277B3 (de) * 2013-04-26 2013-10-31 Audi Ag Kraftfahrzeug mit generatorlastabhängiger Motorsteuerung
WO2016143036A1 (ja) * 2015-03-09 2016-09-15 新電元工業株式会社 始動発電装置、及び始動発電方法
JP6614986B2 (ja) * 2016-02-02 2019-12-04 株式会社エクセディ 回転電機付き動力伝達装置

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CN104285371A (zh) 2015-01-14

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